Using older shared libs for games ?

Hi fellow archers,
I like to play the enhanced Quake engine DarkPlaces (http://icculus.org/twilight/darkplaces/) together with a few mods (namely SDQuake and Kleshik).
Under Ubuntu 9.04 x64 DarkPlaces runs nicely as native x64 Linux app. Under the most recent version of arch64 DarkPlaces bombed out with an error message that the libjpeg version is too new. Something like Version 0.80 found but Version 0.62 is expected. Seems to me that even the newest version of Darkplaces is build against an older version of libjpeg than the one included in arch64. Libpng is also used by DarkPlaces since textures are stored as PNG.
My Ubuntu 9.04 x64 shows the following libs:
/usr/lib/libpng12.a
/usr/lib/libpng12.so.0.27.0
/usr/lib/libjpeg.a
/usr/lib/libjpeg.so.62.0.0
Is it "wise" to use a custom lib folder for DarkPlaces and set it via LD_LIBRARY_PATH ?
e.g.
export LD_LIBRARY_PATH=/home/ds/dplibs
Or can I simply install older versions of libjpeg and libpng without screwing up my arch64 installation ? I can remember that I also did install a few older libs on my Ubuntu 10.04 in order to get UT2k4 running.
BTW: I would prefer not to recompile DarkPlaces against newer versions of libpng/libjpeg.
TIA,
D$

Ok, thanks for all your replies !
I will try out the approach using a dedicated lib directory for DarkPlaces under arch64.
Unfortunately my 500GB HDD which I used for arch died
So I have to wait until my new 1TB HDD arrives.
stqn wrote:... but I guess if you want to play (and not rebuild) this game you don't have a choice..
Well, the other not so slick option would be using the Windows version of the DarkPlaces engine inside a 32 chrooted WINE since for Windows all requiered libs (aka dll) are included in the right version.
As usual shared libs also do have their disadvantages compared to statically linked stuff
Last edited by Darksoul71 (2010-07-28 22:16:20)

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vinaykumar2 wrote:
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        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
        at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
        at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
        at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused by: oracle.jbo.JboException: JBO-29000: Unexpected exception caught: java.lang.NullPointerException, msg=null
        at oracle.adf.model.binding.DCDataControlReference.getDataControl(DCDataControlReference.java:118)
        at oracle.adf.model.BindingContext.instantiateDataControl(BindingContext.java:1128)
        at oracle.adf.model.dcframe.DataControlFrameImpl.doFindDataControl(DataControlFrameImpl.java:1638)
        at oracle.adf.model.dcframe.DataControlFrameImpl.internalFindDataControl(DataControlFrameImpl.java:1507)
        at oracle.adf.model.dcframe.DataControlFrameImpl.findDataControl(DataControlFrameImpl.java:1467)
        at oracle.adf.model.BindingContext.internalFindDataControl(BindingContext.java:1261)
        at oracle.adf.model.BindingContext.get(BindingContext.java:1211)
        at oracle.adf.model.binding.DCUtil.findSpelObject(DCUtil.java:304)
        at oracle.adf.model.binding.DCBindingContainer.evaluateParameterWithElCheck(DCBindingContainer.java:1466)
        at oracle.adf.model.binding.DCBindingContainer.evaluateParameter(DCBindingContainer.java:1511)
        at oracle.jbo.uicli.binding.JUCtrlActionBinding.getResult(JUCtrlActionBinding.java:1968)
        at oracle.adfinternal.view.faces.model.binding.FacesCtrlActionBinding._execute(FacesCtrlActionBinding.java:267)
        at oracle.adfinternal.view.faces.model.binding.FacesCtrlActionBinding.execute(FacesCtrlActionBinding.java:210)
        at com.euroscript.platon.reporting.view.ReportingBean.getListLanguages(ReportingBean.java:463)
        at com.euroscript.platon.reporting.view.ReportingBean.getParamLabelsNeedingCustomLov(ReportingBean.java:87)
        at com.euroscript.platon.reporting.view.ReportingBean.initParams(ReportingBean.java:151)
        at com.euroscript.platon.reporting.view.ReportingBean.onSelectReport(ReportingBean.java:110)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.sun.el.parser.AstValue.invoke(AstValue.java:187)
        at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
        at org.apache.myfaces.trinidadinternal.taglib.util.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:53)
        ... 84 more
Caused by: java.lang.NullPointerException
        at oracle.adf.model.binding.DCDataControlReference.getDataControl(DCDataControlReference.java:113)
        ... 107 more
any suggestion???

Dynamicaly add a shared lib using deployment plan

Hi,
I would like to dynamically add a shared lib reference to my EAR application.
It seems to be possible using deployement plan but to take effect weblogic want I redeploy the application.
When I update my application and if I choose Update this application in place with new deployment plan changes. (A deployment plan must be specified for this option), thre is no error but when I try to instanciate my class, I get a "ClassNotFoundException"
If I choose Redeploy this application using the following deployment files: it works fine but it is not compliant with my requirements (I don't want to redeploy for that).
is it the normal behavior or I miss something ?
Best Regards,
C.

WebLogic does the following if an application references a shared library:
Classes of the library are added to the classpath of the application and the deployment descriptors are merged in memory.
When an application (ear) is deployed weblogic creates application classloaders. Now if we add a shared library we need
to create the classloaders again (to load the classes of the shared library) - this can be accomplished by redeploying the
application.

Using older shared libs for games ?

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